Wednesday
September 17, 2014

Posts by josh


Total # Posts: 1,484

physics
The coefficients of static and kinetic friction between a 50 kg box and a horizontal surface are 0.64 and 0.17, respectively. (a) What is the acceleration of the object if a 335 N horizontal force is applied to the box? m/s2 (b) What is the acceleration if the applied force is...
December 18, 2012

Physics
The coefficients of static and kinetic friction between a 50 kg box and a horizontal surface are 0.64 and 0.17, respectively. What is the acceleration of the object if a 335 N horizontal force is applied to the box?
December 18, 2012

Ms.Sue NEED YOU HELP LANGUAGE ARTS URGENT!!!!!
can someone help me with this test? Multiple Choice 1. The marathon runner floundered as a result of (1 point) his exhaustion. his endurance. his enthusiasm. 2. What is happening when Terry’s father’s eyes go away? (1 point) His father can’t bring himself to ...
December 18, 2012

Math
how do you change equivalent fractions with a common denominator
December 12, 2012

math
order the fractions from least to greatest 7/10 9/20 4/5
December 12, 2012

physics
a ball is thrown vertically upward at a speed of 45 m/s. how long does it take to return to the ground?
December 11, 2012

physics
A brother (mass 20 kg) and his big sister (mass 32 kg) want to play on a teeter-totter. The beam is 7 m long and has a mass of 41 kg. Suppose the brother sits at the end of his side, 3.5 m away from the pivot point. How far away from the pivot point does the sister need to ...
December 10, 2012

Physics
A 84 kg runningback is running at 3.5 m/s. The running back is met by 152 kg defensive lineman. If the collision between the runningback and the defensive lineman results in both coming to a stop, find the speed(absolute value) that the defensive lineman was moving at.
December 10, 2012

Algebra Two
Write the expression in simplified radical form. 2-2Square root 3 over 7+ square root 3
December 7, 2012

Algebra 1
4+9y-3>9y+6
December 6, 2012

Math - percent of a #
How do work this problem? 50% of what number is 46?
December 6, 2012

Algebra 2 Rational Equations
What is the solution set of the equation? I know the answer is {-1} I just don't know how to get there. X^2-16 x-3 --------- = ------- -1 (x+4)(x+2) (x+2)
December 6, 2012

ap chem
A calorimeter contains 20.0 of water at 12.5 . When 2.20 of (a substance with a molar mass of 59.0 ) is added, it dissolves via the reaction and the temperature of the solution increases to 27.5 . Calculate the enthalpy change, , for this reaction per mole of . Assume that the...
December 3, 2012

Chemistry
A propane stove burned 470. grams of propane and produced 625 milliliters of water. What is the % yield? C₃H₈+5O₂ -> 3CO₂+ 4H₂O
November 29, 2012

English
In class today we went over subordination an the different forms, but I'm still confused about subordination when it comes to the absolute and infinitive forms. How do you subordinate in these forms?
November 28, 2012

precalculus
Just plug in the height of 36 ft into the equation given for the height, then you can solve for t by subtracting 36, then dividing by 16, and square rooting your answer (make sure to take the positive square root).
November 28, 2012

Math word problem
10killograms
November 28, 2012

math
5/12 of my salary was spent on food, then I gave 3/7 of the remainder to my sister and had P856 left. How much did i spent for food? 4 units = ? 1 unit = ? food has 5 units = ? ?
November 22, 2012

english
I also agree with yours.
November 18, 2012

Physics
A baseball is thrown such that it is in the air for 4 seconds and lands 100 m away. Find the initial vertical and horizontal components of the baseball's velocity.
November 14, 2012

Physics
A bolt requires 15 Nm or torque to loosen it. How much force needs to be applied to a 20 cm long wrench to loosen the bolt? Assume the force is applied perpendicular to the handle of the wrench.
November 14, 2012

Physics
What is the orbital speed of a satellite of mass 490 kg in geostationary orbit?
November 13, 2012

physics
A crate of mass 96 kg is loaded onto the back of a flatbed truck. The coefficient of static friction between the box and the truck bed is 0.14. What is the smallest radius of curvature, R, the truck can take, if the speed with which it is going around a circle is 2.9 m/s?
November 13, 2012

business math
sorry henry but your wrong....
November 12, 2012

math
Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
November 11, 2012

science
how much skin covers 1 of your alveoli?
November 11, 2012

English
Correct
November 11, 2012

Economics
(This homework question was removed due to a copyright claim submitted by K12 Inc.)
November 4, 2012

math
My hundredths digit is the product of 3 x 2. My tenths digit is the multiple of 3 that comes before the digit that is in the hundredths place. My thousandths digit could not be any greater. What number am I?
November 1, 2012

elementary
nuber sense minnie has 6 county cds and 5 rock cds.amanda has 5 rock cds and 6 country cds.who has more cds?explain.
October 31, 2012

elementary
explain it jake says that adding 0 does not change a sum.is he correct?explain.
October 31, 2012

elementary
write your own sentence using the words: me
October 30, 2012

English
Identify whether the italicized words in the sentences below are used as participles or verbs. She’s an EXPERIENCED chef; she should have no trouble finding work. participle or verb? I would say participle.
October 29, 2012

Math
IM GONNA HELP BECAUSE I DID NOT TAKE NO HONOR CODE. 1D 2C 3D 4A 5A 6A 7C 8C
October 29, 2012

PHYSICS!
ok so waht oyu do is you find the pressure at the level the top is at which you would use P0+gh(density) then you use PA=F so for your problem it would be 1.013x10^5 +1000x.09x9.8=102182 102182x(.1)^2=1021.82 N for the top for the botom you would jsut add .12 to your origional...
October 28, 2012

elementary
Explain it sandy said she could use addition to answer question 1 how could this be done?
October 25, 2012

elementary
number sense fabio said that there are 3 times as many people on a basketball team as on a tennis team.is he correct?why or why not. tennis 2 players basketball 5 players
October 25, 2012

College Chemistry
Calculate the number of Joules released when 75.0 g of water are cooled from 100.0 degrees Celsius to 27.5 degrees Celsius
October 25, 2012

Chemistry
a certain first order decomposition reaction has a half-life of 15.0 minutes. What is the rate constant for this reaction? what is the time it will take for the reaction to reach the 10% completion point?
October 24, 2012

Chemistry
A solution of magnesium chloride, MgCl2, is prepared by dissolving 19.0g of MgCl2 in 250 mL OF water. a.) Calculate the weight percent of magnesium chloride in solution. b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the magnesium chloride ...
October 24, 2012

Chemistry
The addition of a non-volatile, non-electrolyte will increase the amount of your vapor found above the solution over that of the pure liquid? (True or False)
October 24, 2012

math
Find the area of a walkway that goes around a rectangular swimming pool. The pool has a length of 30 feet and a width of 18 feet. The walkway has a width of 4 feet all around the pool.
October 24, 2012

Physics
For the first part of this question I got 12.12m/s B. With the help of a friend the boy measures the height to which the ball returns and finds it to be 5.2 meters. How fast was the ball moving when it left the ground? I wrote this down mass of ball: 0.40kg height if house: 7....
October 23, 2012

Chemistry I
In determining the heat capacity of a calorimeter, 50ml of water at 56*C is added to 50ml of water at 23*C. After about five minutes of mixing, the final temperature of the solution inside the calorimeter reached 37*C. Calculate the heat capacity of the calorimeter (J/*C-...
October 22, 2012

Math
3.4t+0.08=11
October 22, 2012

Math
-4b-5+2b=10
October 22, 2012

Chemistry
I titrated 0.25 grams of soda ash with 43.7 mL of HCl (0.115M) and 25 mL of H2O. I am getting over 100% sodium carbonate in my answer here are my steps that I took to get the answer can somebody help me see what I did wrong? mols HCl=(0.115M)x (0.0437L)=0.005 mol HCl 1/2 x (0....
October 22, 2012

math
Write a number sentence for the model. Let one white tile equal +1 and one black tile equal –1. A. –14 – (–6) = –8 B. 14 – 6 = 8 C. –14 – 6 = –8 D. –14 – (–6) = 8 i put d but it was rong
October 22, 2012

elementary
use, using,eat,eating,close,moan,wave,writing,looking,dream,skate,closing,trading,cleaning,clean,write,skating,waving,look,mail,mailing. write these spelling words vowels&conosonents all spelling words are vowels.no consonents.are u correct
October 17, 2012

math
the turning point for y= x^2-8x+2 is: A (2,-16) B (16,2) C (8,-2) D (-8,2) E (4,-14)
October 16, 2012

English
Instead of telling us how much you >>repent<< your outrageous conduct why dont you sincerely try to reform? Regardless of what you may think proper I do not >>deem<< it necessary for someone of your age to wear an evening gown to the dance. The TV ...
October 16, 2012

elementary
explain it josh says that if he divides 50 by 5,he will get 10.jeff says he shhould get 9.who is correct?explain.
October 16, 2012

elementary
gabriella and 4 friends shared a pack of 15 glue sticks equally.how many giue sticks did each person get?
October 16, 2012

3rd grade
erica counted 45 fingers when the students were asked who wants to play kickball.how many hands went up?
October 16, 2012

maths
the turning point for y=x^2-8x+2 is: A: (2,-16) B: (16,2) C: (8,-2) D: (-8,2) E: (4,-14)
October 16, 2012

maths
for the graph y= -(x-2)squared +1: Find the x intercepts please show all working :)
October 16, 2012

Chemistry
1. For the reaction 2N2O(g) ⇋ O2(g) + 2N2(g), what happens to the equilibrium position if the pressure decreases? A. Shift to the right B. Shift to the left C. Doubles D. Does nothing E. Halves 2. if an equilibrium reaction shifts to the right when the system is cooled, ...
October 16, 2012

elementary
Draw an array. Then write a fact family to describe your array
October 15, 2012

7th grade math pygorean theroem ms.sue correct
always draw the diagrams out, it makes the question much more clearer and easier to understand. use the basic rule of C^2 = a^2 + b^2
October 9, 2012

Live Tutoring
Does anyone know where I can get inexpensive online tutoring that will not cost me $30.00/hr?
October 9, 2012

Trig help?
are these functions periodic? i - y=abs(sin(x)) = sin(x) ii - y=cos(X^2) iii - y = cos(sin(x)) I am completely lost on these :/
October 9, 2012

Chemistry
The volume of a sample of ideal gas at 25*C is 372ml. What will be the volume of the gas if it is heated at constant pressure to 50*C? What will be the volume of the gas if it is cooled to -272*C?
October 8, 2012

ELEMENTARY
How to prepare PSAT test from 3rd grade
October 8, 2012

6th grade math
how many hours dose it take for a rino to run 158,400 feet
October 1, 2012

Dr. Bob, help please
does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more protons there are, ...
October 1, 2012

physics
hello, does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more protons ...
September 30, 2012

physics
hello, does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more protons ...
September 30, 2012

Calc 3
In other words, divide the plane's normal vector so that the y components match (INCLUDING SIGN), then solve for the two remaining variables. For the example above this would mean; 2xi-j+2zk=7i+2j+3k becomes 2xi-j+2xk=(-7/2)i-j+(-3/2)k Now solve for x and z like so: 2x=(-7...
September 27, 2012

physics (graphs)
Hi, i'm doing a graph for density of an element as a function of atomic number. i'm trying to calculate the slope and it's asking me to include units. if density as a unit: g/cm^3, how would i write the units of the slope? which is basically density over atomic ...
September 26, 2012

Social studies
How were the ideas of Louis XIV and Philip II similar? How were they different?
September 26, 2012

Social studies
How were the ideas of Louis XIV and Philip II similar? How were they different?
September 26, 2012

Social studies
How were the ideas of Louis XIV similar? How were they different?
September 26, 2012

algebra
How do I use the distributive property to write (e+f)(-5) as an equivalent algebraic expression?
September 25, 2012

Physics
A gull is flying horizontally 8.17 m above the ground at 6.35 m/s. The bird is carrying a clam in its beak and plans to crack the clamshell by dropping it on some rocks below. Ignoring air resistance, what is the horizontal distance to the rocks at the moment that the gull ...
September 20, 2012

Math
the rectangle is 6.1 wide and 3cm high
September 19, 2012

Math
how could you use point I to estimate the midpoint of each side of the rectangle?
September 19, 2012

Nutrition
what is a vegetarian example of a complete protein?
September 17, 2012

nutrition
What is the role of amino acids in building protein?
September 17, 2012

Chemistry
Calculate the pressure and temperature at which 1.00 mole of CO gas will be in the same corresponding state as 1.00 mole of H2 gas at 2.00 bar and 30.0 degrees celsius. How do I approach this question?
September 15, 2012

math
divide 4 by x squared and write it in the form of axb where a and b are rational constants
September 15, 2012

math
A. 1,3,6,10,___,___ B. 1, 1/2, 1/4, 1/8,___,___ C. 1,3,9,27,___,___ D. 8,7,5,2,___,___ E. 49,47,52,50,55,___,___
September 15, 2012

Physics
A car slams on its brakes. When it slammed on its brakes, it was decelerating at 6 m per sec per sec. How high would the car have to fall from to have the same force?
September 13, 2012

Maths
f (x) = x2 - 4/ x2 - 1 This needs to be plotted onto a graph, but I don't know how
September 12, 2012

chemistry
If the half-life of a first-order decomposition reaction is 24.2 minutes, how long will it take for 10.0 moles of the reactant to decompose so that only 2.5 mol remains?
September 4, 2012

accounting
The following information is related to the Lilliput Veterinary Clinic for April 2010, the firm's first month of operation: Compute the cost of services rendered.
September 3, 2012

math
57.25 28.63 14.31
September 3, 2012

Math
find K so that the following function is continuous on any interval: f(x)=kx if 0¡Üx<3, and f(x)=2x^2 if 3¡Üx K=
September 2, 2012

science
mgco3 plus 2hcl plus mgci2 plus h2 h20 plus co2 if 10grames of c02 is produced calculate the mass of magnesium and hydrochoric acid reacted
August 29, 2012

english11
Which of the following phrases does NOT appear in the Declaration of Independence? life, liberty, and the pursuit of happiness all men are created equal these Colonies are, and of right ought to be, free and independent states we the people of the United States
August 23, 2012

english 11
4. Which of the following statements about Anne Bradstreet is NOT true? (1 point)Anne Bradstreet was never married. Anne Bradstreet was the first published poet in America. Anne Bradstreet was born and educated in England. Anne Bradstreet favored poems with regular rhyme ...
August 23, 2012

english
thank you!!
August 23, 2012

english
Which of the following statements about literary movements is NOT true? A. A literary movement is a period that shares a particular set of ideas, concerns, or characteristics. B. Ideas, concerns, or characteristics may be shared by literary movements. C. Literary movements may...
August 23, 2012

General Mathematics
Use a table of t-values to estimate the P-value for the specified one-mean t-test. Left-tailed test, n = 12, t = -3.412 Choose one below: P < 0.005 P > 0.005 0.005 < P < 0.01 0.01 < P < 0.025
August 22, 2012

Algebra
1. Determine whether the relation is a function. {(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)} 2. Determine whether the relation is a function. {(-5, -4), (-2, 9), (-1, -2), (-1, 7)} 3. Determine whether the relation is a function. {(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -...
August 22, 2012

General Computer Science
There are several interior routing protocols. Is there a place for each one of them? Discuss in what type of network each one would work best.
August 22, 2012

General Economics
• Businesses often decide between using automation and labor in production. An automotive environment may have high fixed costs and low variable costs, and an industry that utilizes manual labor for production will have low fixed costs and high variable costs. How would ...
August 22, 2012

General Psychology
1. Do you believe that people have an unconscious mind? If so, how does it affect thoughts, feelings, and behavior? 2) Have you ever changed a strongly held attitude? What caused the change for you? 3) Do you believe that you are free of prejudice? After reading this chapter, ...
August 22, 2012

Accounting
What is the purpose of financial statement analysis? What are some tools we might use to analyze financial performance? What might we use to benchmark our performance? Why?
August 22, 2012

math
thanks, tori
August 21, 2012

math
Can someone help me how to solve it. A new medically approved wheelchair was considered to be an improvement over a standard wheelchair by 325 out of 450 patients in a survery. 20) What is the margin of error for the survey? Round your ansewer to the nearest tenth of a percent.
August 21, 2012

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